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Geochemical Feed Zone Analysis Based on the Mineral–Solution Equilibrium Hypothesis

In this work we propose a method of geochemical feed zone (FZ) analysis based on the assumption of thermochemical equilibrium between geothermal fluids and hydrothermal minerals, for each FZ contributing to well discharge. Using our method, it is possible to calculate the mass fraction and the chemistry of each FZ fluid, namely (1) the pH and the concentrations of SiO2, CO2, Na, K, Ca, Mg, HCO3, SO4, F, and Cl of FZ liquids, and (2) the concentrations of SiO2 and CO2 of FZ vapors. The method can be applied to wells with two single-phase FZs and to wells with either three single-phase FZs or two FZs, one single-phase and the other two-phase, with different temperature and fluid chemistry.

Ketersediaan
#
Perpustakaan BIG (Eksternal Harddisk) 550
388
Tersedia
Informasi Detail
Judul Seri
Geosciences
No. Panggil
550
Penerbit
Switzerland : MPDI.,
Deskripsi Fisik
15 hlm PDF, 614 KB
Bahasa
Inggris
ISBN/ISSN
2076-3263
Klasifikasi
550
Tipe Isi
text
Tipe Media
-
Tipe Pembawa
online resource
Edisi
Vol.15, Issue 2, February 2025
Subjek
feed zone
feed zone analysis
quartz saturation
enthalpy balance
geothermal fluids
hydrothermal minerals
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Info Detail Spesifik
Geosciences
Pernyataan Tanggungjawab
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  • Geochemical Feed Zone Analysis Based on the Mineral–Solution Equilibrium Hypothesis
    In this work we propose a method of geochemical feed zone (FZ) analysis based on the assumption of thermochemical equilibrium between geothermal fluids and hydrothermal minerals, for each FZ contributing to well discharge. Using our method, it is possible to calculate the mass fraction and the chemistry of each FZ fluid, namely (1) the pH and the concentrations of SiO2, CO2, Na, K, Ca, Mg, HCO3, SO4, F, and Cl of FZ liquids, and (2) the concentrations of SiO2 and CO2 of FZ vapors. The method can be applied to wells with two single-phase FZs and to wells with either three single-phase FZs or two FZs, one single-phase and the other two-phase, with different temperature and fluid chemistry.
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